At DMG Motorsports, we present the All Balls Racing Master Cylinder Rebuild Kit (21-81115) — the trusted solution for restoring a leaking or under-performing front brake master cylinder to like-new condition. Designed for a stock bore front application on compatible Kawasaki models, this kit takes the guesswork out of sourcing individual seals and hardware by packaging every component needed for a complete, reliable rebuild in one box. Whether you're maintaining a daily rider or getting a project bike back on the trail, this kit helps you restore consistent, confident braking without the expense of a full master cylinder replacement.

Features:

• Contains all of the parts required to re-seal a leaking front master cylinder
• Includes cup seals, copper washers, O-rings, and replacement screws where applicable
• Engineered for a stock bore size, front-position fitment on compatible Kawasaki models
• Restores consistent brake feel and helps eliminate fluid leaks and spongy lever performance
• A cost-effective alternative to replacing the entire master cylinder assembly
• Straightforward installation for home mechanics and professional techs alike
• Backed by All Balls Racing, a trusted name in powersports rebuild components

Fitment